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Studies in Surface Science and Catalysis | 1993

Chapter 4 Commercial Preparation and Characterization of FCC Catalysts

Gerald M. Woltermann; John S. Magee; Stephen D. Griffith

Publisher Summary This chapter describes the basic components of all present day Fluid Catalytic Cracking (FCC) catalysts. Without doubt, the most important component of the modem FCC catalyst is the zeolite. Three major synthetic techniques are used in the commercial preparation of zeolite Y for FCC. These techniques are sodium silicate based, precipitated-silica based, and clay based. Two commercial methods of synthesizing zeolite Y have been developed in which kaolin clay is the starting material. One case involves total conversion of the clay into zeolite, whereas the other requires only partial conversion. By far the most common material added to commercial FCC catalysts to accomplish heavy oil conversion is alumina in various forms and amounts. Alumina has long been used as an active support in reforming and hydrotreating catalysts. In FCC catalysts, some silica is included with the alumina either in the form of added silica (polysilicic acid), silica binder, or is present naturally in the clay based in situ process.


Archive | 1978

Pillared interlayered clay materials useful as catalysts and sorbents

David Evan William Vaughan; Roger Jean Lussier; John S. Magee


Archive | 1979

Stabilized pillared interlayered clays

David Evan William Vaughan; Roger Jean Lussier; John S. Magee


Archive | 1979

Pillared interlayered clay products

David Evan William Vaughan; Roger Jean Lussier; John S. Magee


Archive | 1979

Silica-alumina hydrogel catalyst

Mark Alan Seese; Edwin Wolf Albers; John S. Magee


Archive | 1974

Stable, catalytically active and coke selective zeolite

Carl Vance Mcdaniel; John S. Magee


Archive | 1994

Increasing metal-tolerance of FCC catalyst by sulfur oxide removal

William E. Cormier; Gerald M. Woltermann; John S. Magee; Fred J. Baars; Lawrence L. Upson


Archive | 1976

Process for preparing zeolite containing hydrocarbon conversion catalysts

Julius Scherzer; David Evan William Vaughan; John S. Magee


Archive | 1975

Catalytic cracking with catalyst of improved Y zeolite

Roger Jean Lussier; Edwin Wolf Albers; John S. Magee


Archive | 1975

High activity amorphous silica-alumina catalyst

Roger Jean Lussier; John S. Magee; Edwin Wolf Albers; George John Surland

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